Integrally-designed magnetic control miniature circuit breaker

Abstract

The utility model relates to the technical field of miniature circuit breakers, and discloses an integrally designed magnetic control miniature circuit breaker, which comprises a shell, a hinge is fixedly connected to the inner wall of the shell, a rotating door is fixedly connected to the side wall of the hinge, a handle is fixedly connected to the side wall of the rotating door, a clamping assembly is arranged on the side wall of the shell, and the clamping assembly is fixedly connected to the side wall of the rotating door. A fixing assembly is arranged on the inner wall of the shell, the clamping assembly comprises a fixing plate, the side wall of the fixing plate is fixedly connected to the side wall of the rotating door, a clamping block is fixedly connected to the side wall of the fixing plate, a clamping block is arranged on the outer wall of the clamping block, and a clamping column is rotationally connected to the interior of the clamping block. According to the device, the clamping blocks are clamped on the inner walls of the clamping blocks, then the clamping blocks move to enable the clamping columns on the inner walls to be clamped on the inner walls of the clamping grooves, and then the second springs in the clamping blocks contract, so that the effects of self-locking and bouncing off the handle are achieved, the problems that the safety is reduced and the stability of the device is influenced when the handle is rotated traditionally are solved, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of miniature circuit breaker, especially relates to integrated design's magnetic control miniature circuit breaker. BACKGROUND

[0002] The magnetic control miniature circuit breaker is an electrical protection device applying magnetic control technology, which controls the opening and closing operation through magnetic field. The integrated design has many advantages, such as improving reliability, reducing connection failure and optimizing internal structure, reducing volume, adapting to miniaturization demand and facilitating integrated installation, enhancing protection performance, improving sealing performance and anti-interference ability, reducing cost, simplifying production process and reducing maintenance cost, and playing an important role in modern electrical system.

[0003] The traditional integrated design magnetic control miniature circuit breaker mainly includes the following structures. First, the shell is generally made of insulating material, which protects the internal components and isolates the external environment. The shell has a magnetic control module, which is the core component for realizing magnetic field induction and control function. There is also a conductive circuit for normal current passing. The trip mechanism is also very important, which will trigger the trip mechanism to act when the magnetic control module senses the fault magnetic field change. In addition, there are operating handles and other components to facilitate manual opening and closing operation. These structures cooperate with each other to enable the magnetic control miniature circuit breaker to accurately monitor current changes in the circuit and timely disconnect the circuit to ensure the safe operation of electrical equipment and circuit.

[0004] However, the box of the traditional magnetic control miniature circuit breaker needs to rotate the handle to open the door, and cannot be self-locked. First of all, the operation convenience is greatly reduced, and the handle needs to be manually rotated every time the door is opened, increasing the degree of operation complexity, especially in the scene that needs to be frequently operated, which will waste a lot of time and energy. Secondly, the inability to self-lock reduces the safety of the box, and accidental opening of the door may occur, which exposes the internal parts to the outside world, causing interference or damage from external factors, and even causing safety accidents, which poses a potential threat to the normal operation of the equipment and the safety of the personnel. In addition, the inability to self-lock also affects the stability and reliability of the equipment, because the box cannot be guaranteed to be closed and stable during operation, which will affect the normal working performance of the circuit breaker due to accidental opening of the box. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides an integrated design magnetic control miniature circuit breaker, which aims to improve the problem that the mechanical buckle type used in the prior art will be affected by long-term wear and tear, affecting the opening and closing effect.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The integrated design magnetic control miniature circuit breaker, including shell, the shell inner wall is fixedly connected with hinge, the hinge side wall is fixedly connected with rotating door, the rotating door side wall is fixedly connected with handle, the shell side wall is provided with clamping assembly, the shell inner wall is provided with fixed assembly;

[0008] The clamping assembly includes a fixed plate, the fixed plate side wall is fixedly connected with the rotating door side wall, the fixed plate side wall is fixedly connected with a clamping block, the clamping block outer wall is provided with a clamping block, the clamping block is rotatably connected with a clamping column, the clamping block outer wall is slidably connected with a hollow plate, the hollow plate is provided with a clamping groove, the hollow plate is provided with a second spring, the second spring is fixedly connected with the hollow plate, and the second spring is fixedly connected with the clamping block;

[0009] As a further description of the above technical scheme:

[0010] The fixed assembly includes a fixed rail, the fixed rail side wall is fixedly connected with the shell inner wall, the fixed rail inner wall is fixedly connected with a screw rod, and the screw rod is threadedly connected with the shell;

[0011] As a further description of the above technical scheme:

[0012] The fixed rail side wall is fixedly connected with a circuit breaking gate, and the fixed rail side wall is fixedly connected with a warning gate;

[0013] As a further description of the above technical scheme:

[0014] The circuit breaking gate top is fixedly connected with a third connecting plate, and the other circuit breaking gate top is fixedly connected with a first connecting plate;

[0015] As a further description of the above technical scheme:

[0016] The first connecting plate is fixedly connected with a fixed column, and the fixed column is provided with a first spring;

[0017] As a further description of the above technical scheme:

[0018] The first spring is fixedly connected with the fixed column, and the first spring is fixedly connected with a second connecting plate;

[0019] As a further description of the above technical scheme:

[0020] The second connecting plate side wall is fixedly connected with a rotating plate, the rotating plate side wall is fixedly connected with a semicircular column, and the first connecting plate side wall is fixedly connected with a triangular clamping plate;

[0021] As a further description of the above technical scheme:

[0022] The shell is internally provided with a ventilation opening, and the ventilation opening is internally provided with a connecting opening.

[0023] The utility model has the advantages of the following:

[0024] 1、The utility model discloses a magnetic control micro circuit breaker, which comprises a shell, a handle, a circuit breaker, a fixed rail, a screw rod, a first connecting plate, a first spring, a triangular clamping plate, a semicircular column, a rotating plate, a second connecting plate, a fixed column, a hinge, a fixed plate, a clamping block, a hollow plate, a clamping groove, a second spring and a clamping block.

[0025] 2、The utility model discloses a magnetic control micro circuit breaker which can be disassembled, improves the convenience of the magnetic control micro circuit breaker. DRAWINGS

[0026] Figure 1 It is a three-dimensional schematic view of the integrated design magnetic control micro circuit breaker;

[0027] Figure 2 It is a side surface structure schematic view of the circuit breaker of the integrated design magnetic control micro circuit breaker;

[0028] Figure 3 It is Figure 2 An enlarged view of position A in the middle;

[0029] Figure 4 It is an inner wall structure schematic view of the shell of the integrated design magnetic control micro circuit breaker;

[0030] Figure 5 It is Figure 4 An enlarged view of position B in the middle.

[0031] LEGEND:

[0032] 1, rotating door; 2, shell; 3, handle; 4, ventilation opening; 5, connecting opening; 6, circuit breaker; 7, fixed rail; 8, screw rod; 9, first connecting plate; 10, first spring; 11, triangular clamping plate; 12, semicircular column; 13, rotating plate; 14, second connecting plate; 15, fixed column; 16, hinge; 17, fixed plate; 18, clamping block; 19, hollow plate; 20, clamping groove; 21, second spring; 22, clamping block; 23, clamping column; 24, warning gate; 25, third connecting plate. DETAILED DESCRIPTION

[0033] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0034] With reference to Figure 1 , Figure 3 and Figure 4 , the integrated magnetic micro circuit breaker comprises a shell 2, the shell 2 is made of a solid and durable metal material, which can not only provide reliable protection for internal parts, but also has good heat dissipation performance to ensure the stability of the equipment during operation, a hinge 16 is fixedly connected to the inner wall of the shell 2, the hinge 16 is made of high-quality stainless steel material and has excellent rust-proof and corrosion-resistant performance, a rotating door 1 is fixedly connected to the side wall of the hinge 16, a handle 3 is fixedly connected to the side wall of the rotating door 1, the handle 3 is made of plastic material which is insulating and comfortable to touch, which is convenient for users to operate and also ensures safety, a clamping assembly is arranged on the side wall of the shell 2, a fixing assembly is arranged on the inner wall of the shell 2, the clamping assembly comprises a fixed plate 17, the fixed plate 17 is made of high-strength aluminum alloy material, which is light in texture and high in strength and can withstand the pressure caused by frequent use, the fixed plate 17 is fixedly connected to the side wall of the rotating door 1, a clamping block 18 is fixedly connected to the side wall of the fixed plate 17, the clamping block 18 is made of high-hardness and wear-resistant steel, which ensures the firmness of clamping, a clamping block 22 is arranged on the outer wall of the clamping block 18, the clamping block 22 is made of rubber material with certain elasticity, a clamping column 23 is rotatably connected to the inside of the clamping block 22, a hollow plate 19 is slidably connected to the outer wall of the clamping block 22, a clamping groove 20 is formed in the hollow plate 19, a second spring 21 is arranged in the hollow plate 19, the second spring 21 is made of high-quality spring steel material and has good elasticity and fatigue resistance, which provides a strong guarantee for the normal operation of the clamping assembly, makes the whole clamping process stable and reliable, and further improves the use performance and safety of the magnetic micro circuit breaker, one end of the second spring 21 is fixedly connected to the inside of the hollow plate 19, and the other end of the second spring 21 is fixedly connected to the inside of the clamping block 22, the fixing assembly comprises a fixed rail 7, the fixed rail 7 is fixedly connected to the inner wall of the shell 2, a screw rod 8 is fixedly connected to the inner wall of the fixed rail 7, one end of the screw rod 8 is threadedly connected to the inside of the shell 2, a circuit breaker 6 is fixedly connected to the side wall of the fixed rail 7, and a warning gate 24 is fixedly connected to the side wall of the fixed rail 7.

[0035] Specifically, when using the magnetic micro-circuit breaker, first gently push the handle 3, at this time the handle 3 is subjected to external force, and then drive the rotating door 1 fixedly connected therewith to move. The rotating door 1 as an important connecting component will drive the fixed plate 17 on its side wall to move after being subjected to force. And the fixed plate 17 will drive the clamping block 18 on its side wall to move in the process of following the rotating door 1. Subsequently, the clamping block 18 will interact with the clamping block 22 under the action of force, and drive the clamping block 22 to slide in the hollow plate 19. The clamping block 22 will drive the clamping block 23 fixedly connected in its interior to move while moving. With the rotation of the clamping block 23, it will gradually be clamped in the clamping groove 20, and in this process, the clamping block 23 will exert force on the second spring 21 inside the clamping groove 20, so that the second spring 21 is subjected to extrusion and shrinks. In this way, the entire device achieves the effect of self-locking, so as to ensure that the rotating door 1 of the circuit breaker can remain closed and stable during operation or in a specific working state, providing effective protection for the safe operation and operation of the equipment. The design of such a self-locking mechanism not only reflects the delicacy of the product in structure, but also fully considers the safety and reliability requirements in actual use. However, the fixed rail 7 stabilizes the warning gate 24 and the circuit breaker gate 6, ensuring that they work stably.

[0036] Referring to Figure 1 and Figure 2 , the internal connecting material of the circuit breaker gate 6 is selected to be copper, which has excellent electrical conductivity and good thermal conductivity, can carry a large current, and when heat is generated during multiple opening and closing operations, the heat can be quickly dissipated, ensuring the safe operation of the equipment. The third connecting plate 25 is fixedly connected to the top of the circuit breaker gate 6, and the first connecting plate 9 is fixedly connected to the top of the other circuit breaker gate 6. The fixed column 15 is fixedly connected inside the first connecting plate 9. The fixed column 15 can be made of carbon steel, which can obtain high hardness and strength after quenching and tempering treatment. The first spring 10 is provided on the outer wall of the fixed column 15, one end of the first spring 10 is fixedly connected to the outer wall of the fixed column 15, and the other end of the first spring 10 is fixedly connected to the second connecting plate 14. The second connecting plate 14 is fixedly connected to the rotating plate 13 on its side wall, and the rotating plate 13 is fixedly connected to the semicircular column 12 on its side wall. The first connecting plate 9 is fixedly connected to the triangular clamping plate 11 on its side wall, and the triangular clamping plate 11 can be made of high-strength aluminum alloy, which has high hardness and strength.

[0037] Specifically, the handle 3 is stably connected to the inner wall of the shell 2 through the hinge 16, and when a certain pulling force is applied, the handle 3 starts to act. Next, the rotating plate 13 is pulled, and after the rotating plate 13 is subjected to an external force, the force drives the semicircular cylinder 12 fixedly connected thereto to rotate, and the semicircular cylinder 12 rotates smoothly inside the third connecting plate 25 and the first connecting plate 9. The rotation process requires certain space and precision design to ensure that the semicircular cylinder 12 can accurately rotate between the two connecting plates. Subsequently, the continuous rotation of the rotating plate 13 drives the second connecting plate 14 of the side wall to rotate, and the second connecting plate 14 as a transmission ring generates a pulling force on the first spring 10 connected thereto while rotating, and then the rotation of the second connecting plate 14 drives the first spring 10 to contract. In this process, the first spring 10 gradually accumulates elastic potential energy, and through the coordinated action of each component, the effect of separating and disassembling the circuit breaker 6 is finally achieved. This design enables the circuit breaker 6 to be separated from other components through simple operation steps when the circuit breaker 6 needs to be repaired, replaced or operated, providing convenience for the maintenance and management of the equipment, and also reflecting the rationality and functionality of the product in structure design, fully considering the operability and maintenance requirements in actual use.

[0038] With reference to Figure 1 The shell 2 is internally provided with a ventilation opening 4, and the ventilation opening 4 is internally provided with a wire opening 5.

[0039] Specifically, ventilation is performed through the ventilation opening 4, and the size and position of the ventilation opening 4 are carefully designed to ensure that sufficient air flow enters the interior of the equipment. When the equipment is running, the heat generated can be taken out with the flow of air, facilitating internal heat dissipation, thereby effectively maintaining the operation of each component in the equipment within an appropriate temperature range, prolonging the service life of the equipment and ensuring the stability of its performance. Then, the wire opening 5 is connected, and the shape and size of the wire opening 5 are reasonably designed, which can meet the passing needs of wires of different specifications and ensure that the wires are not excessively squeezed or worn when passing through. The wires can be smoothly put into the shell 2 through the wire opening 5, and the wires can be better placed, so that the wires can be reasonably laid and fixed in the equipment, avoiding wire entanglement or confusion, improving the cleanliness and safety of the equipment interior, and providing convenience for maintenance.

[0040] Working principle: when using the magnetic control miniature circuit breaker, first push the handle 3, the handle 3 is driven to move the rotating door 1, at the same time, the rotating door 1 is driven to move the fixed plate 17 of the side wall, at the same time, the fixed plate 17 is driven to move the clamping block 18 of the side wall, then the clamping block 18 is driven to make the clamping block 22 slide in the hollow plate 19, then the movement of the clamping block 22 drives the rotating clamping column 23 in the inside to move, at the same time, the rotating clamping column 23 is clamped in the inside of the clamping groove 20, then the second spring 21 in the inside is driven to shrink, the self-locking effect is achieved, then the handle 3 can be pulled, the handle 3 is connected to the inner wall of the shell 2 through the hinge 16, then the rotating plate 13 is pulled, the rotating plate 13 is driven to rotate the semicylinder 12, and the semicylinder 12 rotates in the inside of the third connecting plate 25 and the first connecting plate 9, then the rotating plate 13 is driven to rotate the second connecting plate 14 of the side wall, then the second connecting plate 14 is driven to shrink the first spring 10, the effect that the circuit breaker 6 can be separated and disassembled is achieved, at the same time, the circuit breaker 6 and the warning gate 24 are fixed in the inside of the shell 2 through the screw rod 8, the ventilation is set through the ventilation opening 4, the internal heat dissipation is convenient, then the wires are connected through the wire connection opening 5, the wires can be put into the inside of the shell 2 through the wire connection opening 5, and the wires can be better placed.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A magnetically controlled miniature circuit breaker of integrated design, comprising a housing (2), characterized in that: The outer shell (2) inner wall is fixedly connected with a hinge (16), the hinge (16) side wall is fixedly connected with a rotating door (1), the rotating door (1) side wall is fixedly connected with a handle (3), the outer shell (2) side wall is provided with a clamping assembly, the outer shell (2) inner wall is provided with a fixed assembly; The clamping assembly includes a fixed plate (17), the fixed plate (17) side wall is fixedly connected with a rotating door (1), the fixed plate (17) side wall is fixedly connected with a clamping block (18), the clamping block (18) outer wall is provided with a clamping block (22), the clamping block (22) inside is rotatably connected with a clamping column (23), the clamping block (22) outer wall is slidably connected with a hollow plate (19), the hollow plate (19) inside is provided with a clamping groove (20), the hollow plate (19) inside is provided with a second spring (21), the second spring (21) one end is fixedly connected in the hollow plate (19), the second spring (21) one end is fixedly connected in the clamping block (22).

2. The integrated design magnetic control miniature circuit breaker according to claim 1, wherein, The fixed assembly includes a fixed rail (7), the fixed rail (7) side wall is fixedly connected with an outer shell (2) inner wall, the fixed rail (7) inner wall is fixedly connected with a screw rod (8), the screw rod (8) one end is threadedly connected in the outer shell (2).

3. The integrated design magnetic control miniature circuit breaker according to claim 2, characterized in that: The fixed rail (7) side wall is fixedly connected with a circuit breaker (6), the fixed rail (7) side wall is fixedly connected with a warning gate (24).

4. The integrated design magnetic control miniature circuit breaker of claim 3, wherein: The circuit breaker (6) top is fixedly connected with a third connecting plate (25), another circuit breaker (6) top is fixedly connected with a first connecting plate (9).

5. The integrated design magnetic control miniature circuit breaker of claim 4, wherein: The first connecting plate (9) inside is fixedly connected with a fixed column (15), the fixed column (15) outer wall is provided with a first spring (10).

6. The integrated design magnetic control miniature circuit breaker of claim 5, wherein: The first spring (10) one end is fixedly connected with a fixed column (15) outer wall, the first spring (10) one end is fixedly connected with a second connecting plate (14).

7. The integrated design magnetic control miniature circuit breaker of claim 6, wherein: The second connecting plate (14) side wall is fixedly connected with a rotating plate (13), the rotating plate (13) side wall is fixedly connected with a semicircular column (12), the first connecting plate (9) side wall is fixedly connected with a triangular clamping plate (11).

8. The integrated design magnetic control miniature circuit breaker of claim 1, wherein: The outer shell (2) inside is provided with a ventilation opening (4), the ventilation opening (4) inside is provided with a wiring opening (5).

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